The Tower of Hanoi hole will go live in approximately 8 hours. Why not try and solve it ahead of time?
Zeckendorf Representation in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 601st 0xjac 🇨🇭 506 269 255ms 19 Jun 2025 602nd ComputerKWasTaken 🇺🇸 503 130 48ms 4 Jul 2024 603rd MeWhenI 🇻🇦 503 235 34ms 1 Jul 2024 604th bitsandbeyond 🇳🇱 502 268 56ms 7 days ago 605th bac0id 497 225 323ms 1 Jul 2024 606th coreynash 494 140 9ms 2 Jul 2024 606th two-bad 🇬🇧 494 140 9ms 4 Oct 2024 608th MeWhenI 🇻🇦 488 172 12ms 13 Aug 2024 609th bitsandbeyond 🇳🇱 485 146 4ms 7 days ago 610th jameswmccarty 484 221 10ms 10 Jul 2024 611th msbranicky 483 146 173ms 4 Jul 2024 612th dieggsy 482 209 17ms 16 Oct 2024 613th CatsAreFluffy 482 227 55ms 3 Nov 2024 614th MeWhenI 🇻🇦 479 116 130ms 7 Aug 2024 615th iczelia 🇩🇪 471 183 3ms 16 Oct 2025 616th ComputerKWasTaken 🇺🇸 471 210 2ms 1 Jul 2024 617th azure-blondon 469 228 10ms 7 Jul 2024 618th snoozingnewt 🇺🇸 468 184 2ms 9 Oct 2025 619th yuchuehw 467 229 11ms 5 Jul 2024 620th acollett89 461 150 9ms 5 Aug 2025 621st Mabeloid 🇳🇴 460 193 761ms 17 Sep 2024 621st TheZwierzLF 🇵🇱 460 193 667ms 5 days ago 623rd xyangst 458 151 10ms 15 Oct 2024 624th LHLaurini 🇧🇷 453 139 53ms 1 Jul 2024 625th jtaxen 453 250 163ms 2 Jul 2024 626th tomh1012 450 227 373ms 23 Jul 2024 627th dokutan 444 244 7ms 17 Jul 2025 628th MeWhenI 🇻🇦 443 152 12ms 1 Jul 2024 629th TheZwierzLF 🇵🇱 442 242 12ms 5 days ago 630th madex 🇩🇪 441 180 834ms 1 Jul 2024 631st galloj 🇨🇿 440 243 16ms 26 Aug 2024 632nd snoozingnewt 🇺🇸 436 86 2ms 7 Oct 2025 633rd c4augustus 431 87 2ms 16 Jul 2024 634th Flobois 429 158 215ms 23 Jul 2024 635th CatsAreFluffy 414 208 2ms 3 Nov 2024 636th madex 🇩🇪 411 168 9ms 1 Jul 2024 637th IISResetMe 409 166 223ms 4 Jul 2024 638th JDiLenarda 🇫🇷 409 263 1,359ms 31 Aug 2024 639th MeWhenI 🇻🇦 406 138 43ms 8 Aug 2024 640th bitsandbeyond 🇳🇱 402 294 28ms 7 days ago 641st dokutan 401 250 4ms 15 Jul 2024 642nd dokutan 396 170 11ms 15 Aug 2024 643rd madex 🇩🇪 392 220 3ms 1 Jul 2024 644th Zhenyu-Bo 387 276 10ms 1 Aug 2025 645th Msleizak 🇫🇷 385 176 217ms 19 Jul 2024 646th BambooleanLogic 🇸🇪 382 181 9ms 23 Jun 2025 647th madex 🇩🇪 382 349 259ms 1 Jul 2024 648th ComputerKWasTaken 🇺🇸 378 360 267ms 1 Jul 2024 649th jerrandolph 365 373 254ms 21 Sep 2025 650th dokutan 363 194 331ms 2 Jul 2024 651st saito-ta 🇯🇵 358 482 711ms 10 Jul 2024 652nd dokutan 346 330 43ms 27 Aug 2024 653rd JRaspass 🇬🇧 333 198 3ms 1 Jul 2024 654th Schmitt-Very-Cool 324 345 356ms 3 Oct 2025 655th bitsandbeyond 🇳🇱 323 351 163ms 7 days ago 656th MyXoToD 🇩🇪 311 222 10ms 26 May 2025 657th KatieLG 🇬🇧 311 438 285ms 22 Sep 2024 658th aksyristos 304 352 11ms 27 Sep 2024 659th Sascha37 🇩🇪 260 331 3ms 26 Sep 2025 660th madex 🇩🇪 247 273 32ms 1 Jul 2024 661st KatieLG 🇬🇧 219 467 363ms 13 Oct 2024 662nd KatieLG 🇬🇧 187 624 3ms 15 Sep 2024 663rd scpchicken 🇵🇼 164 402 4ms 4 Jul 2024 664th KatieLG 🇬🇧 151 718 10ms 15 Sep 2024 665th AidanWalter 149 716 10ms 3 Jan 2025 666th KatieLG 🇬🇧 149 778 118ms 15 Sep 2024 667th KatieLG 🇬🇧 148 445 6ms 15 Sep 2024 668th KatieLG 🇬🇧 146 913 215ms 15 Sep 2024 669th KatieLG 🇬🇧 128 673 98ms 15 Sep 2024 670th KatieLG 🇬🇧 128 926 32ms 15 Sep 2024 671st KatieLG 🇬🇧 126 559 207ms 15 Sep 2024 672nd KatieLG 🇬🇧 115 490 2ms 15 Sep 2024 673rd KatieLG 🇬🇧 115 861 2ms 15 Sep 2024 674th dokutan 114 963 68ms 4 Aug 2025 675th KatieLG 🇬🇧 104 825 100ms 15 Sep 2024 First Prev 601–675 of 691 Next Last